<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
	<html lang="en">
	<head>
		<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
		<title>盒子模型</title>
		<style type="text/css">
		.box{
             width: 180px;
             height: 180px;
             background: red url() 0 0 no-repeat;
             
             border: 10px; solid blue;
             display: inline-block;
             order: auto;
            }
            .box1{
                  margin: 30px;
            }
             .box20{
                  margin: 200px;
            }

		</style>
	</head>
	<body>
	<div class="box box1">这是我的第一个盒子</div>
	<div class="box box2">这是一个盒子</div>

		
	</body>
	</html>	